Warning: Permanently added '10.128.0.201' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 94.952522][ T19] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 95.133646][ T114] cfg80211: failed to load regulatory.db [ 95.192692][ T19] usb 1-1: Using ep0 maxpacket: 16 [ 95.472747][ T19] usb 1-1: New USB device found, idVendor=9710, idProduct=7832, bcdDevice=90.22 [ 95.482025][ T19] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 95.490258][ T19] usb 1-1: Product: syz [ 95.494606][ T19] usb 1-1: Manufacturer: syz [ 95.499258][ T19] usb 1-1: SerialNumber: syz [ 95.507226][ T19] usb 1-1: config 0 descriptor?? [ 95.773245][ T19] ===================================================== [ 95.780312][ T19] BUG: KMSAN: kernel-usb-infoleak in usb_submit_urb+0x6c1/0x2aa0 [ 95.788100][ T19] usb_submit_urb+0x6c1/0x2aa0 [ 95.792885][ T19] usb_start_wait_urb+0x153/0x4b0 [ 95.797929][ T19] usb_control_msg+0x487/0x7c0 [ 95.802711][ T19] usbnet_write_cmd+0x3d3/0x480 [ 95.807584][ T19] mcs7830_apply_base_config+0xd5/0x8a0 [ 95.813157][ T19] mcs7830_bind+0x753/0xb70 [ 95.817679][ T19] usbnet_probe+0x1284/0x4140 [ 95.822550][ T19] usb_probe_interface+0xf19/0x1600 [ 95.827761][ T19] really_probe+0x67d/0x1510 [ 95.832368][ T19] __driver_probe_device+0x3e9/0x530 [ 95.837670][ T19] __device_attach_driver+0x79f/0x1120 [ 95.843607][ T19] bus_for_each_drv+0x2d6/0x3f0 [ 95.848499][ T19] __device_attach+0x593/0x8e0 [ 95.853279][ T19] device_initial_probe+0x4a/0x60 [ 95.858320][ T19] bus_probe_device+0x17b/0x3e0 [ 95.863196][ T19] device_add+0x1d3e/0x2400 [ 95.867716][ T19] usb_set_configuration+0x37e9/0x3ed0 [ 95.873205][ T19] usb_generic_driver_probe+0x13c/0x300 [ 95.878803][ T19] usb_probe_device+0x309/0x570 [ 95.883685][ T19] really_probe+0x67d/0x1510 [ 95.888304][ T19] __driver_probe_device+0x3e9/0x530 [ 95.893620][ T19] __device_attach_driver+0x79f/0x1120 [ 95.899094][ T19] bus_for_each_drv+0x2d6/0x3f0 [ 95.904011][ T19] __device_attach+0x593/0x8e0 [ 95.908784][ T19] device_initial_probe+0x4a/0x60 [ 95.913906][ T19] bus_probe_device+0x17b/0x3e0 [ 95.918787][ T19] device_add+0x1d3e/0x2400 [ 95.923308][ T19] usb_new_device+0x1b8e/0x2950 [ 95.928172][ T19] hub_event+0x5ad2/0x8910 [ 95.932601][ T19] process_one_work+0xdb9/0x1820 [ 95.937563][ T19] worker_thread+0x10bc/0x21f0 [ 95.942352][ T19] kthread+0x721/0x850 [ 95.946436][ T19] ret_from_fork+0x1f/0x30 [ 95.950871][ T19] [ 95.953200][ T19] Uninit was stored to memory at: [ 95.958276][ T19] kmemdup+0x107/0x140 [ 95.962360][ T19] usbnet_write_cmd+0x1a0/0x480 [ 95.967256][ T19] mcs7830_apply_base_config+0xd5/0x8a0 [ 95.972832][ T19] mcs7830_bind+0x753/0xb70 [ 95.977379][ T19] usbnet_probe+0x1284/0x4140 [ 95.982103][ T19] usb_probe_interface+0xf19/0x1600 [ 95.987342][ T19] really_probe+0x67d/0x1510 [ 95.992056][ T19] __driver_probe_device+0x3e9/0x530 [ 95.997384][ T19] __device_attach_driver+0x79f/0x1120 [ 96.002891][ T19] bus_for_each_drv+0x2d6/0x3f0 [ 96.007800][ T19] __device_attach+0x593/0x8e0 [ 96.012602][ T19] device_initial_probe+0x4a/0x60 [ 96.017654][ T19] bus_probe_device+0x17b/0x3e0 [ 96.022552][ T19] device_add+0x1d3e/0x2400 [ 96.027116][ T19] usb_set_configuration+0x37e9/0x3ed0 [ 96.032660][ T19] usb_generic_driver_probe+0x13c/0x300 [ 96.038251][ T19] usb_probe_device+0x309/0x570 [ 96.043143][ T19] really_probe+0x67d/0x1510 [ 96.047758][ T19] __driver_probe_device+0x3e9/0x530 [ 96.053071][ T19] __device_attach_driver+0x79f/0x1120 [ 96.058560][ T19] bus_for_each_drv+0x2d6/0x3f0 [ 96.063456][ T19] __device_attach+0x593/0x8e0 [ 96.068371][ T19] device_initial_probe+0x4a/0x60 [ 96.073441][ T19] bus_probe_device+0x17b/0x3e0 [ 96.078342][ T19] device_add+0x1d3e/0x2400 [ 96.082894][ T19] usb_new_device+0x1b8e/0x2950 [ 96.087782][ T19] hub_event+0x5ad2/0x8910 [ 96.092233][ T19] process_one_work+0xdb9/0x1820 [ 96.097220][ T19] worker_thread+0x10bc/0x21f0 [ 96.102024][ T19] kthread+0x721/0x850 [ 96.106121][ T19] ret_from_fork+0x1f/0x30 [ 96.110567][ T19] [ 96.112893][ T19] Uninit was stored to memory at: [ 96.117979][ T19] mcs7830_bind+0x230/0xb70 [ 96.122535][ T19] usbnet_probe+0x1284/0x4140 [ 96.127251][ T19] usb_probe_interface+0xf19/0x1600 [ 96.132478][ T19] really_probe+0x67d/0x1510 [ 96.137095][ T19] __driver_probe_device+0x3e9/0x530 [ 96.142407][ T19] __device_attach_driver+0x79f/0x1120 [ 96.147896][ T19] bus_for_each_drv+0x2d6/0x3f0 [ 96.152796][ T19] __device_attach+0x593/0x8e0 [ 96.157592][ T19] device_initial_probe+0x4a/0x60 [ 96.162649][ T19] bus_probe_device+0x17b/0x3e0 [ 96.167541][ T19] device_add+0x1d3e/0x2400 [ 96.172077][ T19] usb_set_configuration+0x37e9/0x3ed0 [ 96.177577][ T19] usb_generic_driver_probe+0x13c/0x300 [ 96.183165][ T19] usb_probe_device+0x309/0x570 [ 96.188057][ T19] really_probe+0x67d/0x1510 [ 96.192671][ T19] __driver_probe_device+0x3e9/0x530 [ 96.197983][ T19] __device_attach_driver+0x79f/0x1120 [ 96.203471][ T19] bus_for_each_drv+0x2d6/0x3f0 [ 96.208361][ T19] __device_attach+0x593/0x8e0 [ 96.213150][ T19] device_initial_probe+0x4a/0x60 [ 96.218320][ T19] bus_probe_device+0x17b/0x3e0 [ 96.223227][ T19] device_add+0x1d3e/0x2400 [ 96.227773][ T19] usb_new_device+0x1b8e/0x2950 [ 96.232660][ T19] hub_event+0x5ad2/0x8910 [ 96.237111][ T19] process_one_work+0xdb9/0x1820 [ 96.242089][ T19] worker_thread+0x10bc/0x21f0 [ 96.246895][ T19] kthread+0x721/0x850 [ 96.250996][ T19] ret_from_fork+0x1f/0x30 [ 96.255445][ T19] [ 96.257768][ T19] Local variable addr created at: [ 96.262788][ T19] mcs7830_bind+0x9b/0xb70 [ 96.267241][ T19] usbnet_probe+0x1284/0x4140 [ 96.271951][ T19] [ 96.274277][ T19] Bytes 0-3 of 6 are uninitialized [ 96.279397][ T19] Memory access of size 6 starts at ffff88811d26f2b0 [ 96.286079][ T19] [ 96.288401][ T19] CPU: 1 PID: 19 Comm: kworker/1:0 Not tainted 5.16.0-rc5-syzkaller #0 [ 96.296666][ T19] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.306739][ T19] Workqueue: usb_hub_wq hub_event [ 96.311798][ T19] ===================================================== [ 96.318728][ T19] Disabling lock debugging due to kernel taint executing program [ 96.325624][ T19] Kernel panic - not syncing: kmsan.panic set ... [ 96.332065][ T19] CPU: 1 PID: 19 Comm: kworker/1:0 Tainted: G B 5.16.0-rc5-syzkaller #0 [ 96.341747][ T19] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.351840][ T19] Workqueue: usb_hub_wq hub_event [ 96.356919][ T19] Call Trace: [ 96.360227][ T19] [ 96.363176][ T19] dump_stack_lvl+0x1ff/0x28e [ 96.367920][ T19] dump_stack+0x25/0x28 [ 96.372116][ T19] panic+0x487/0xe1f [ 96.376057][ T19] ? add_taint+0x181/0x210 [ 96.380519][ T19] ? _raw_spin_unlock_irqrestore+0x78/0xb0 [ 96.386908][ T19] kmsan_report+0x2e6/0x2f0 [ 96.391476][ T19] ? kmsan_internal_check_memory+0x251/0x540 [ 96.397506][ T19] ? kmsan_handle_urb+0x28/0x40 [ 96.402409][ T19] ? usb_submit_urb+0x6c1/0x2aa0 [ 96.407392][ T19] ? usb_start_wait_urb+0x153/0x4b0 [ 96.412630][ T19] ? usb_control_msg+0x487/0x7c0 [ 96.417643][ T19] ? usbnet_write_cmd+0x3d3/0x480 [ 96.422700][ T19] ? mcs7830_apply_base_config+0xd5/0x8a0 [ 96.428442][ T19] ? mcs7830_bind+0x753/0xb70 [ 96.433142][ T19] ? usbnet_probe+0x1284/0x4140 [ 96.438016][ T19] ? usb_probe_interface+0xf19/0x1600 [ 96.443417][ T19] ? really_probe+0x67d/0x1510 [ 96.448324][ T19] ? __driver_probe_device+0x3e9/0x530 [ 96.453819][ T19] ? __device_attach_driver+0x79f/0x1120 [ 96.459467][ T19] ? bus_for_each_drv+0x2d6/0x3f0 [ 96.464517][ T19] ? __device_attach+0x593/0x8e0 [ 96.469468][ T19] ? device_initial_probe+0x4a/0x60 [ 96.474685][ T19] ? bus_probe_device+0x17b/0x3e0 [ 96.479737][ T19] ? device_add+0x1d3e/0x2400 [ 96.484455][ T19] ? usb_set_configuration+0x37e9/0x3ed0 [ 96.490215][ T19] ? usb_generic_driver_probe+0x13c/0x300 [ 96.495974][ T19] ? usb_probe_device+0x309/0x570 [ 96.501035][ T19] ? really_probe+0x67d/0x1510 [ 96.505812][ T19] ? __driver_probe_device+0x3e9/0x530 [ 96.511286][ T19] ? __device_attach_driver+0x79f/0x1120 [ 96.516934][ T19] ? bus_for_each_drv+0x2d6/0x3f0 [ 96.522095][ T19] ? __device_attach+0x593/0x8e0 [ 96.527051][ T19] ? device_initial_probe+0x4a/0x60 [ 96.532268][ T19] ? bus_probe_device+0x17b/0x3e0 [ 96.537337][ T19] ? device_add+0x1d3e/0x2400 [ 96.542039][ T19] ? usb_new_device+0x1b8e/0x2950 [ 96.547079][ T19] ? hub_event+0x5ad2/0x8910 [ 96.551682][ T19] ? process_one_work+0xdb9/0x1820 [ 96.556825][ T19] ? worker_thread+0x10bc/0x21f0 [ 96.561949][ T19] ? kthread+0x721/0x850 [ 96.566237][ T19] ? ret_from_fork+0x1f/0x30 [ 96.570849][ T19] ? kmsan_internal_poison_memory+0x82/0xa0 [ 96.576771][ T19] ? kmsan_internal_poison_memory+0x45/0xa0 [ 96.582697][ T19] ? kmsan_slab_alloc+0xe1/0x150 [ 96.587666][ T19] ? __kmalloc+0xc3c/0x12d0 [ 96.592210][ T19] ? usb_alloc_urb+0x9b/0x2f0 [ 96.597041][ T19] ? usb_control_msg+0x2b6/0x7c0 [ 96.602020][ T19] ? usbnet_write_cmd+0x3d3/0x480 [ 96.607068][ T19] ? mcs7830_apply_base_config+0xd5/0x8a0 [ 96.612813][ T19] ? mcs7830_bind+0x753/0xb70 [ 96.617508][ T19] ? usbnet_probe+0x1284/0x4140 [ 96.622384][ T19] ? usb_probe_interface+0xf19/0x1600 [ 96.627783][ T19] ? really_probe+0x67d/0x1510 [ 96.632565][ T19] ? __driver_probe_device+0x3e9/0x530 [ 96.638053][ T19] ? __device_attach_driver+0x79f/0x1120 [ 96.643703][ T19] ? bus_for_each_drv+0x2d6/0x3f0 [ 96.648752][ T19] ? __device_attach+0x593/0x8e0 [ 96.653705][ T19] ? device_initial_probe+0x4a/0x60 [ 96.658917][ T19] ? bus_probe_device+0x17b/0x3e0 [ 96.663966][ T19] ? device_add+0x1d3e/0x2400 [ 96.668682][ T19] ? usb_set_configuration+0x37e9/0x3ed0 [ 96.674346][ T19] ? usb_generic_driver_probe+0x13c/0x300 [ 96.680203][ T19] ? usb_probe_device+0x309/0x570 [ 96.685261][ T19] ? really_probe+0x67d/0x1510 [ 96.690038][ T19] ? __driver_probe_device+0x3e9/0x530 [ 96.695519][ T19] ? __device_attach_driver+0x79f/0x1120 [ 96.701251][ T19] ? bus_for_each_drv+0x2d6/0x3f0 [ 96.706300][ T19] ? __device_attach+0x593/0x8e0 [ 96.711250][ T19] ? device_initial_probe+0x4a/0x60 [ 96.716473][ T19] ? bus_probe_device+0x17b/0x3e0 [ 96.721633][ T19] ? device_add+0x1d3e/0x2400 [ 96.726351][ T19] kmsan_internal_check_memory+0x251/0x540 [ 96.732212][ T19] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 96.738063][ T19] kmsan_handle_urb+0x28/0x40 [ 96.742773][ T19] usb_submit_urb+0x6c1/0x2aa0 [ 96.747576][ T19] ? kmsan_get_metadata+0x33/0x220 [ 96.752722][ T19] usb_start_wait_urb+0x153/0x4b0 [ 96.757814][ T19] usb_control_msg+0x487/0x7c0 [ 96.762614][ T19] usbnet_write_cmd+0x3d3/0x480 [ 96.767501][ T19] mcs7830_apply_base_config+0xd5/0x8a0 [ 96.773073][ T19] mcs7830_bind+0x753/0xb70 [ 96.777598][ T19] ? kmsan_internal_memmove_metadata+0x96/0x2e0 [ 96.783950][ T19] ? mcs7830_write_phy+0x4b0/0x4b0 [ 96.789097][ T19] ? mcs7830_write_phy+0x4b0/0x4b0 [ 96.794231][ T19] usbnet_probe+0x1284/0x4140 [ 96.798935][ T19] ? kmsan_get_metadata+0x33/0x220 [ 96.804068][ T19] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 96.810357][ T19] ? usbnet_disconnect+0x6c0/0x6c0 [ 96.815499][ T19] usb_probe_interface+0xf19/0x1600 [ 96.820724][ T19] ? usb_register_driver+0x900/0x900 [ 96.826021][ T19] really_probe+0x67d/0x1510 [ 96.830645][ T19] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 96.836758][ T19] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 96.842601][ T19] __driver_probe_device+0x3e9/0x530 [ 96.847925][ T19] __device_attach_driver+0x79f/0x1120 [ 96.853423][ T19] bus_for_each_drv+0x2d6/0x3f0 [ 96.858303][ T19] ? deferred_probe_work_func+0x4c0/0x4c0 [ 96.864054][ T19] __device_attach+0x593/0x8e0 [ 96.868841][ T19] ? cgroup_bpf_attach+0xe1/0x2640 [ 96.873978][ T19] device_initial_probe+0x4a/0x60 [ 96.879024][ T19] bus_probe_device+0x17b/0x3e0 [ 96.883911][ T19] device_add+0x1d3e/0x2400 [ 96.888448][ T19] usb_set_configuration+0x37e9/0x3ed0 [ 96.893959][ T19] ? usb_set_configuration+0xb11/0x3ed0 [ 96.899539][ T19] ? usb_choose_configuration+0xcbb/0xf90 [ 96.905303][ T19] usb_generic_driver_probe+0x13c/0x300 [ 96.910881][ T19] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 96.916745][ T19] ? usb_choose_configuration+0xf90/0xf90 [ 96.922516][ T19] usb_probe_device+0x309/0x570 [ 96.927412][ T19] ? kmsan_get_metadata+0x33/0x220 [ 96.932549][ T19] ? usb_register_device_driver+0x580/0x580 [ 96.938472][ T19] really_probe+0x67d/0x1510 [ 96.943074][ T19] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 96.949171][ T19] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 96.955004][ T19] __driver_probe_device+0x3e9/0x530 [ 96.960308][ T19] __device_attach_driver+0x79f/0x1120 [ 96.965793][ T19] bus_for_each_drv+0x2d6/0x3f0 [ 96.970672][ T19] ? deferred_probe_work_func+0x4c0/0x4c0 [ 96.976414][ T19] __device_attach+0x593/0x8e0 [ 96.981195][ T19] ? cgroup_bpf_attach+0xe1/0x2640 [ 96.986325][ T19] device_initial_probe+0x4a/0x60 [ 96.991366][ T19] bus_probe_device+0x17b/0x3e0 [ 96.996248][ T19] device_add+0x1d3e/0x2400 [ 97.000782][ T19] usb_new_device+0x1b8e/0x2950 [ 97.005673][ T19] hub_event+0x5ad2/0x8910 [ 97.010158][ T19] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 97.015997][ T19] ? led_work+0x7b0/0x7b0 [ 97.020348][ T19] ? led_work+0x7b0/0x7b0 [ 97.024694][ T19] process_one_work+0xdb9/0x1820 [ 97.029687][ T19] worker_thread+0x10bc/0x21f0 [ 97.034499][ T19] kthread+0x721/0x850 [ 97.038584][ T19] ? worker_clr_flags+0x370/0x370 [ 97.043643][ T19] ? kthread_blkcg+0x120/0x120 [ 97.048429][ T19] ret_from_fork+0x1f/0x30 [ 97.052994][ T19] [ 97.056307][ T19] Kernel Offset: disabled [ 97.060640][ T19] Rebooting in 86400 seconds..